X0306 4 2017-11-17 1 0000890264 EXA CORP EXA 0001550555 Remondi Stephen A. 55 NETWORK DRIVE BURLINGTON MA 01803 1 1 0 0 CEO and President Common Stock 2017-11-17 4 D 0 372850 24.25 D 0 D Restricted Stock Units 2017-11-17 4 D 0 70500 D Common Stock 70500 0 D Stock Option (Right to Buy) 11.38 2017-11-17 4 D 0 31996 12.87 D Common Stock 31996 0 D Stock Option (Right to Buy) 11.38 2017-11-17 4 D 0 6465 12.87 D Common Stock 6465 0 D Stock Option (Right to Buy) 15.20 2017-11-17 4 D 0 5579 9.05 D Common Stock 5579 0 D Stock Option (Right to Buy) 15.20 2017-11-17 4 D 0 34421 9.05 D Common Stock 34421 0 D Stock Option (Right to Buy) 9.27 2017-11-17 4 D 0 25360 14.98 D Common Stock 25360 0 D Disposed of upon the effectiveness of the merger of 3DS Acquisition 3 Corp., Inc. ("3DS"), a wholly owned subsidiary of Dassault Systemes Simulia Corp. ("Dassault"), with and into the Issuer on November 17, 2017 pursuant to a merger agreement dated September 27, 2017 among Dassault, 3DS and the Issuer (the "Merger"). Each restricted stock unit represented a contingent right to receive one share of the Issuer's common stock. Upon the effectiveness of the Merger, the restricted stock units became fully vested and were canceled in exchange for a cash payment of $1,709,625.00 (representing a price of $24.25 per restricted stock unit). Upon the effectiveness of the Merger, the option was canceled in exchange for a cash payment of $411,788.52 (representing the difference between the merger consideration of $24.25 per share and the per share exercise price of the option multiplied by the number of shares subject to the option). Upon the effectiveness of the Merger, the option was canceled in exchange for a cash payment of $83,204.55 (representing the difference between the merger consideration of $24.25 per share and the per share exercise price of the option multiplied by the number of shares subject to the option). Upon the effectiveness of the Merger, the option was canceled in exchange for a cash payment of $50,489.95 (representing the difference between the merger consideration of $24.25 per share and the per share exercise price of the option multiplied by the number of shares subject to the option). Upon the effectiveness of the Merger, the option was canceled in exchange for a cash payment of $311,510.05 (representing the difference between the merger consideration of $24.25 per share and the per share exercise price of the option multiplied by the number of shares subject to the option). Upon the effectiveness of the Merger, the option was canceled in exchange for a cash payment of $379,892.80 (representing the difference between the merger consideration of $24.25 per share and the per share exercise price of the option multiplied by the number of shares subject to the option). /s/ Daniel S. Clevenger, Attorney-in-Fact for Stephen A. Remondi 2017-11-17